.flex {
  display: flex;
}
.flex-1 {
  flex: 1;
}

.division {
  margin: $size-base;
}
.division-t {
  margin-top: $size-base;
}
.division-b {
  margin-bottom: $size-base;
}
.division-l {
  margin-left: $size-base;
}
.division-r {
  margin-right: $size-base;
}
